Federal Reserve Bank of San Francisco. "March 1, 1940," Economic Review (Federal Reserve Bank of San Francisco) (March 1, 1940). https://fraser.stlouisfed.org/title/869/item/33505, accessed on April 18, 2024.
Federal Reserve Bank of San Francisco. "March 1, 1940," Economic Review (Federal Reserve Bank of San Francisco) (March 1, 1940). https://fraser.stlouisfed.org/title/869/item/33505, accessed on April 18, 2024.